Composite Mill, Siipyy

A wind-powered mill in Finland.

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This mill had a two-storey lower portion tapering, and an upper portion octagonal with an octagonal pyramidal cap, both portions having about equal overall heights. The upper portion has a tailpole at the rear sloping down to the ground; it carried six equal-sided, tapering and slightly curved sails on a fairly light metal cross. Both portions of the body were vertically boarded and therefore presumably framed.

Full details

Power source Wind
Mill type Composite mill
Mill function
Archive ID 11878
Location Siipyy, South Bothnia
Country Finland



  • Wailes, Rex, & Auvo Hirsjärvi, "Finnish Mills Part III: Hollow Post Mills", (Transactions of the Newcomen Society, 44, 1971-1972, pp.99-118)


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